MR. W. K. PARKER ON THE SKULL IN THE BATRACHLA.. 



PLATE 24. 



Figures. 



I(p.l3l) 



2 

 3 



4 

 5 



6 (p. 134) 



7 



8 



9 



10 



Skull of Alytes obstetricans. — Adult female ; 1 inch 10 lines 

 long. Europe. Upper view 



The same. Lower view 



The same. Mandible. Outer view 



The same. Hyo-branchials. Lower view 



The same. Stapes and columella. Outer view .... 



Skull of Ilyperolius marmoratits. — Adult female ; 1-g- inch 

 long. Paramatta, Australia. Upjier view 



The same. Lower view 



The same. Side view 



The same. Hyo-branchials {hcdj ) 



The same. Stapes and columella. Outer view .... 



Number of 



times 

 magnified. 



41 

 *2 



4J- 



4i 



4^ 



^2 



n 

 n 

 n 

 n 



15 



